Rock Identifier
Jasper (Silicon Dioxide (SiO2)) — mineral
mineral

Jasper

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and microcrystalline quartz structure.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and microcrystalline quartz structure.

Formation & geological history

Formed via the precipitation of silica-rich fluids in sedimentary or volcanic environments over millions of years.

Uses & applications

Commonly used in ornamental carvings, cabochons, jewelry, and as a collectible decorative stone.

Geological facts

Jasper has been used since ancient times for seals, talismans, and weaponry due to its toughness.

Field identification & locations

Identified by its conchoidal fracture and opaque colors; found worldwide in riverbeds, hydrothermal veins, and sedimentary deposits.